Step 652: local telemetry model

editor/src/LocalTelemetryModel.h

@@ -0,0 +1,41 @@
+#pragma once
+// Step 652: Privacy-preserving local telemetry
+
+#include <map>
+#include <string>
+
+struct TelemetryCounters {
+    int sessionMinutes = 0;
+    int toolCalls = 0;
+    int errorCount = 0;
+    std::map<std::string, int> generatorUsage;
+};
+
+class LocalTelemetryModel {
+public:
+    static void recordSessionMinutes(TelemetryCounters* c, int minutes) {
+        if (!c || minutes < 0) return;
+        c->sessionMinutes += minutes;
+    }
+
+    static void recordToolCall(TelemetryCounters* c) {
+        if (!c) return;
+        ++c->toolCalls;
+    }
+
+    static void recordError(TelemetryCounters* c) {
+        if (!c) return;
+        ++c->errorCount;
+    }
+
+    static void recordGeneratorUse(TelemetryCounters* c, const std::string& generatorName) {
+        if (!c || generatorName.empty()) return;
+        ++c->generatorUsage[generatorName];
+    }
+
+    static std::string weeklyReport(const TelemetryCounters& c) {
+        return "session_minutes=" + std::to_string(c.sessionMinutes) +
+               ";tool_calls=" + std::to_string(c.toolCalls) +
+               ";errors=" + std::to_string(c.errorCount);
+    }
+};